Data Models into Database Designs Which is not true about surrogate keys? They are fixed. They are short. They are numeric. They have meaning to the user. They are fixed. They are short. They are numeric. They have meaning to the user. ANSWER DOWNLOAD EXAMIANS APP
Data Models into Database Designs A foreign key is used to implement relationships between tables. True False True False ANSWER DOWNLOAD EXAMIANS APP
Data Models into Database Designs The DBMS allows surrogate keys to be changed. False True False True ANSWER DOWNLOAD EXAMIANS APP
Data Models into Database Designs For every relationship, there are six possible sets of minimum cardinalities. True False True False ANSWER DOWNLOAD EXAMIANS APP
Data Models into Database Designs For every relationship, how many possible sets of minimum cardinalities are there? Six Four Three Two Six Four Three Two ANSWER DOWNLOAD EXAMIANS APP
Data Models into Database Designs Each entity is represented as a(n): tuple. file. table. attribute. tuple. file. table. attribute. ANSWER DOWNLOAD EXAMIANS APP